291248721

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{269}}^1\times {\mathrm{2039}}^1$

素因数の和:2373

約数の個数: 24

約数和(自身を含む): 429624000

約数和(自身を除く): 138375279

約数列:

[1, 3, 9, 59, 177, 269, 531, 807, 2039, 2421, 6117, 15871, 18351, 47613, 120301, 142839, 360903, 548491, 1082709, 1645473, 4936419, 32360969, 97082907, 291248721]

約数ペア:

[(1, 291248721), (3, 97082907), (9, 32360969), (59, 4936419), (177, 1645473), (269, 1082709), (531, 548491), (807, 360903), (2039, 142839), (2421, 120301), (6117, 47613), (15871, 18351)]